Actually, just listened and MK's voice is uber-rough.
Yes, it was a bit rough, like a cinder under a door, but I like it a lot!
There's another one, pretty similar, "On Raglan Road" that I have on an album called "Sult - Spirit of the Music" which has a whole host of artists, including Van Morrison, Donal Lunny, Liam O'Flynn, Paul Brady, Brian Kennedy (brother of Bap) and many others.
Here it is: